<?php
namespace TYPO3\CMS\Scheduler\ViewHelpers;

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

use TYPO3\CMS\Backend\Utility\BackendUtility;
use TYPO3\CMS\Fluid\Core\Rendering\RenderingContextInterface;
use TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper;
use TYPO3\CMS\Fluid\Core\ViewHelper\Facets\CompilableInterface;

/**
 * Create internal link within backend app
 * @internal
 */
class ModuleLinkViewHelper extends AbstractViewHelper implements CompilableInterface {

	/**
	 * Render module link with command and arguments
	 *
	 * @param string $controller The "controller" of scheduler. Possible values are "scheduler", "check", "info"
	 * @param string $action The action to be called within each controller
	 * @param array $arguments Arguments for the action
	 * @return string
	 */
	public function render($controller, $action, array $arguments = array()) {
		return static::renderStatic(
			array(
				'controller' => $controller,
				'action' => $action,
				'arguments' => $arguments,
			),
			$this->buildRenderChildrenClosure(),
			$this->renderingContext
		);
	}

	/**
	 * @param array $arguments
	 * @param callable $renderChildrenClosure
	 * @param RenderingContextInterface $renderingContext
	 *
	 * @return string
	 */
	static public function renderStatic(array $arguments, \Closure $renderChildrenClosure, RenderingContextInterface $renderingContext) {
		$moduleArguments = array();
		$moduleArguments['SET']['function'] = $arguments['controller'];
		$moduleArguments['CMD'] = $arguments['action'];
		if (!empty($arguments['arguments'])) {
			$moduleArguments['tx_scheduler'] = $arguments['arguments'];
		}

		return BackendUtility::getModuleUrl('system_txschedulerM1', $moduleArguments);
	}

}
